text: //
  //  UINavigationController+Utility.h
  //  SimpleTool
  //
  //  Created by hillyoung on 2020/12/22.
  //  Copyright © 2020 Hillyoung. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface UIBarButtonItem (Utility)
  /// 以系统样式、block的方式构造UIBarButtonItem，注意循环引用
  - (instancetype)initWithBarButtonSystemItem:(UIBarButtonSystemItem)systemItem actionBlock:(void(^)(UIBarButtonItem *barItem))actionBlock;
  /// 以指定title、block的方式构造UIBarButtonItem，注意循环引用
  - (instancetype)initWithTitle:(NSString *)title actionBlock:(void (^)(UIBarButtonItem *barItem))actionBlock ;
  /// 以指定image、block的方式构造UIBarButtonItem，注意循环引用
  - (instancetype)initWithImage:(UIImage *)image actionBlock:(void (^)(UIBarButtonItem *barItem))actionBlock ;
  
  @end
  
  @interface UINavigationController (Utility)
  
  @end
  
  NS_ASSUME_NONNULL_END
  